12323142243 has 6 divisors (see below), whose sum is σ = 17800094364. Its totient is φ = 8215428156.

The previous prime is 12323142241. The next prime is 12323142277. The reversal of 12323142243 is 34224132321.

12323142243 is a `hidden beast` number, since 1 + 2 + 3 + 231 + 422 + 4 + 3 = 666.

12323142243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12323142243 - 2¹ = 12323142241 is a prime.

It is a super-2 number, since 2×12323142243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12323142241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 684619005 + ... + 684619022.

It is an arithmetic number, because the mean of its divisors is an integer number (2966682394).

Almost surely, 2^12323142243 is an apocalyptic number.

12323142243 is a deficient number, since it is larger than the sum of its proper divisors (5476952121).

12323142243 is a wasteful number, since it uses less digits than its factorization.

12323142243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369238033 (or 1369238030 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 12323142243 its reverse (34224132321), we get a palindrome (46547274564).

The spelling of 12323142243 in words is "twelve billion, three hundred twenty-three million, one hundred forty-two thousand, two hundred forty-three".